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Phase unwrapping enhancement of phase shift interferometry by using lateral scanning
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 Title & Authors
Phase unwrapping enhancement of phase shift interferometry by using lateral scanning
Park, Do-Min; Park, Sung-Lim; Gweon, Dae-Gab;
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 Abstract
The biggest problem common on to all forms of Phase Shift Interferometer is unwrapping the phase. Simple phase unwrapping algorithms assume that every pixel is within radians of its neighbors. If this is true, any reasonable algorithm will return the correct unwrapped phase. If not, correct unwrapped phase will not be obtained. In rough surface, frequently, neighboring pixels have phase steps greater than. This paper proposes the new method which makes phase steps smaller than by sub-pixel movement.
 Keywords
Phase Shift Interfermetry;Phase Unwrapping;2 Ambiguity;
 Language
Korean
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